Garchomp flies at the opponent and the two appendages on its head glow light blue. Then, its body becomes enveloped in a light blue aura with the same color streaks and it slams into the opponent, or the appendages on its head glow blue and it releases a dragon-shaped energy that covers its body. It then slams into the opponent with full force.

Dragonite's body becomes surrounded in a light blue orb with white streaks or its horn glows blue and releases a dragon-shaped energy that covers its body. It then slams into the opponent with full force.

In the manga

In the Pokémon Adventures manga

Gible charges and slams the top of its head into the opponent with great force, or Gible charges at the opponent and its body becomes surrounded in a spiraling stream of energy. Gible then slams its head into the opponent.